LSM9DS0 IMU Breakout problems

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Re: LSM9DS0 IMU Breakout problems

Postby mattmunee » Sat Feb 28, 2015 8:39 am

I know this post is a bit old, but I wanted to post on my status. I ran into the exact same problem. After reading this forum, I had a similar problem. I was using an 3.3V FTDI adapter from LowPowerLab that has worked interchangeably with a similar Sparkfun adapter on other projects. However, in this case, it did not. I was using an Arduino Pro Mini 3.3V microcontroller. Switching to the Sparkfun FTDI adapter fixed the problem. Be careful with your level shifting!
mattmunee
 
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Re: LSM9DS0 IMU Breakout problems

Postby Sergey Vasilenko » Wed Feb 10, 2016 3:20 am

Hello!
I had same problem with lsm9dso, but it is appear sometimes after some resets. Sometimes all was good. At first was blocked A, after M, after changed the settings. In finally, In debug mode, i read 3 status registers and see 0x88, 0xff, 0xff for M,A and G respectively, and later I noticed that CTRL_REG7_XM register is set to power down mode, and sometimes CTRL_REG1_XM register is set to disable X,Y,Z -axis of accelerometer. My solution of this problem is check this registers in beginning GetData - function and set them in correct state if it is not.
Reasons of"self-modification" of these registers are not known to me.
Sergey Vasilenko
 
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